Sketch Interval(s)

[nycmath]

Precalculus
David Cohen
Edition 3
Chapter 1, Section 1.2

63. In parts (a) and (b), sketch the interval or intervals corresponding to the given inequality.

(a) | x - 2 | < 1

(b) 0 < | x - 2 | < 1

(c) In what way do your answers in (a) and (b) differ?

Note: The distinction is important in the study of limits in calculus.